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algol [13]
3 years ago
14

I don't really understand part B of this homework problem

Mathematics
1 answer:
kiruha [24]3 years ago
7 0

Answer:

they are parallel (will never intersect)

Step-by-step explanation:

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Because Earth's rotation is gradually slowing, the length of each day increases: The day at the end of 1.0 century is 1.0 ms lon
harina [27]

Answer:

14.6 minutes

Step-by-step explanation:

Since there is a 1 ms increase per day and there are 365 days a year, the time increase per year is 1 ms/day × 365 days/year = 365 ms/year.

So, in 24 centuries, there are 24 × 1 century = 24 × 100 years = 2400 years (since  1 century = 100 years)

So, the total of the daily increase in time in 24 centuries is time increase per year × 24 centuries

= 365 ms/year × 2400 years

= 876000 ms

= 876 s

= 876 s/60s

= 14.6 minutes

5 0
3 years ago
Round to the greatest place to estimate the answer.<br><br> 398 x 51 =____
lesantik [10]

Answer:

20,300

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Number 5 but if u can do number 6 that would be great ✋
mamaluj [8]

Answer:

5: 45 miles

6: y=20x

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
College algebra ! Help ASAP !!!
Yanka [14]

Answer:

{1}

Step-by-step explanation:

We find determinant for the given matrix and set it equal to -1

To find determinant we apply formula

|A| = a_{11}(a_{22}a_{33} − a_{32}a_{23}) - a_{12}(a_{21}a_{33} − a_{31}a_{23})+a_{13}(a_{21}a_{32} - a_{31}a_{22})

|A| = x(1x - 2) - 0(7-7) + 0(14-7x)

|A| = x^2 - 2x

Now we set the determinant = -1

x^2 - 2x=-1

Add 1 on both sides

x^2 - 2x + 1=0

Now factor it

(x-1)(x-1) = 0

Set each factor =0  and solve for x

x- 1=0 so x=1



8 0
3 years ago
Write the possible range for the measurement 47 cm ± 2.2%. Round to the nearest hundredth if necessary.
ad-work [718]

The range of possible values of the measurement is:

[45.97cm, 48.03cm]

<h3>Which is the possible range for the measurement?</h3>

Here we have the measurement:

measurement 47 cm ± 2.2%

The 2.2 percent of 47cm is:

47cm*( 2.2%/100%) = 47cm*(0.022) = 1.034 cm

Then the minimum of the measurement is:

47cm - 1.034cm = 45.97cm

The maximum of the measurement is:

47cm + 1.034cm = 48.03cm

we conclude that the correct option is the second one:

[45.97cm, 48.03cm]

If you want to learn more about ranges:

brainly.com/question/24326172

#SPJ1

3 0
2 years ago
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